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Sophie
Questions and answers by visitors named
Sophie
, page 2
Questions (179)
A bungee jumper of mass 75kg is stadnding on a platform 53m above a river. The length of the unstretched bungee cord is 11m. The
1 answer
686 views
write a directed number to show the size and direction of the number.
Question john walked 10km east
2 answers
1,010 views
Where possible, classify these systems as reactant-favored or product-favored at 298 K. If the direction cannot be determined
5 answers
10,401 views
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Zn2 ] = 0.842 M and [Ni2 ] = 0.0100
4 answers
5,864 views
Consider a fuel cell that uses the reaction of ethanol with oxygen to produce electricity,
CH3CH20H(l)+ 3O2(g)---> 2CO2(g)+3H2O
5 answers
8,328 views
Do Newton's Law apply to motion inside your car?
A.Yes, but only when at rest. B.Yes, but only when traveling at constant
2 answers
587 views
I push a stack of six books (each weighting 4 kg) horizontally across a table to the right with a kinetic coefficient of
3 answers
706 views
If 1/3 is equal to 2/6 how come my teacher says it is equal to 5/8?
1 answer
324 views
A ball is thrown at 15.5 m/s at 42° above the horizontal. Someone located 30 m away along the line3 of the path starts to run
2 answers
599 views
A sample of gas occupies 17mL at -112 degrees Celsius. Assuming the pressure is held constant, what volume does the sample
2 answers
790 views
A ball is thrown horizontally at 15 m/s from a clifftop 60 m above the sea level. Find:
a) the time to land; b) the angle at
1 answer
445 views
a) An electron in an atom has a speed of 2.2 × 10^6 m/s and orbits the nucleus at a distance of 5 × 10^-11m. What is its
1 answer
456 views
Assuming the final concentration of chloride anion after the addition of HCl (precipitation step) was 0.1M, what is the
3 answers
829 views
The measure of an exterior angle of a regular polugon is given. Find the measure of an interior angle. Then find the number of
2 answers
598 views
How do proteins leave the cell?
1 answer
443 views
The equilibrium constant of a reaction is determined at 2 different temperatures:
at -181°C, Keq = 2770 at -11°C, Keq = 640
1 answer
444 views
you have to replace a copy machine and you have 2 offers. both offers 3 year leases. offer 1 requires an up-front payment of
1 answer
475 views
where do you look up context clues to the meaning of a word
4 answers
865 views
The ph of a solution is 9.55 at 25degree celcius. What is the hydroxide-ion in the solution?
2 answers
1,163 views
The Smith family drinks 1 4/5 liters of apple juice each day. The apple juice is packed in 2-liter bottles. How many bottles
7 answers
2,761 views
Lily uses 1 3/4 of ribbon to make a knot. She wants to make 9 similar knots for her cousins. How many meters of ribbon does Lily
3 answers
819 views
Puppy A is 3/4 as heavy as puppy B. Puppy C is twice as heavy as puppy A. If the weight of puppy B is 8 pounds, find the weight
5 answers
1,445 views
A flowerbed is 3 3/4 meters long and 2 meters wide. Uncle James wants to build a border around the flowerbed. The width of the
7 answers
2,578 views
Try to sokve this compound puzze.
A)(puzzle #1) Cook= book Volley= Express= Fore= Wrist= Loud= Key= B)(puzzle #2) Case= Park=
10 answers
567 views
Complite the sentences.
A) We headed east on 89 until we crossed the _____ bridge. B) The_____ tournament was being held this
7 answers
450 views
Just wondering if anyone can help with this ln question!
-Solve the following ln(x+1)+ln(x-1)=2 thanks!!
1 answer
370 views
A perfect coin should produce heads and tails with equal probability. If we assign the number 0 toheads and the number 1 to
1 answer
620 views
A decibel meter reads 130 dB at a certain position from a jet plane when one engine is turned on.
a) What is the sound intensity
2 answers
563 views
The near and the far points of a short-sighted are 8 cm and 20 cm from the eyeball.
a) What power of corrective lens is needed
1 answer
458 views
If there is a SMATTERING of applause at the end of a play, what do you hear?
A. just a few people clapping** B. total silence C.
4 answers
1,718 views
A plane wants to fly east. It is capable of flying at 250 m/s, yet a 50 m/s wind is blowing [SW]. What heading must the plane
3 answers
583 views
A bar of strontium metal is immersed in a 1.0 M copper(ll) nitrate solution. write the net ionic. I have the molecular formula
2 answers
1,021 views
If $4000 is deposited at the end of each year in an account that earns 6.2% compounded semiannually, how long will it be before
3 answers
1,758 views
The supply function for a product is 2p-q-10=0, while the the demand function for the same product is (p+10)(q+30) = 7200. Find
5 answers
5,439 views
For xyz manufacturing the fixed costs are $1200, material and labor costs combined are $2 per unit, and the demand equation is:
p
3 answers
1,666 views
For xyz manufacturing the fixed costs are $1200, material and labor costs combined are $2 per unit, and the demand equation is:
p
2 answers
496 views
It doesn't make me really happy. - okay
It doesn't make me real happiness? - wrong It doesn't give me real happiness. - okay Why
3 answers
489 views
Four subtracted from 3 times a number is 29. Find the number
4 answers
1,587 views
You need to rent a moving truck for two days. Rider Moving Trucks charges $50 per day and $.50 per mile. UMove Trucks charges
2 answers
644 views
Air is being pumped into a spherical balloon at a rate of 2 cubic meters per minute. At what rate is the radius changing when
2 answers
686 views
You need to move all your belongings to your new location. Your company has provided you with three options for your move:
DISTNA
1 answer
489 views
A restaurant offers a lunch special where you can choose any 3 of a total of 9 dishes. How many different combinations are
2 answers
624 views
Find the exact value of the trig function below.
cos2Ø if sinØ = 2/5
3 answers
690 views
How have humans modified and adapted to the environment in Angola, Africa?
3 answers
943 views
How has the physical geography and environment influenced trade and agriculture in Angola?
1 answer
460 views
Which of the following rate laws is possible for the following two-step reaction?
1) NO(g) + NO(g) N2O2(g); FAST 2) N2O2(g) +
6 answers
2,105 views
If the largest angle in a triangle is 70o, what is least possible value of the smallest angle of the triangle?
69o 1o 40o*** 39o
3 answers
2,063 views
The reaction of the molecules to produce ethane is C2H4(g) + H2(g) → C2H6(g).
A mechanism
4 answers
1,349 views
1. You need a college degree to enter the military
True False 2. Which of the following is an elected office? lawyer police
3 answers
1,422 views
Where did the dominoes originate before spreading throughout the Spanish-speaking world?
A. Miami B. México and Cuba C. The
7 answers
4,122 views
What was unique about priests in Sumerian society?
A. They were not allowed to farm. B. They were females chosen from an early
10 answers
4,364 views
In the scale drawing below each side is .38 cm long. Use the scale factor 1cm=6.5m. What is the perimeter of the actual object?
26 answers
5,107 views
Student answers 75% of the questions on a math exam correctly. If he answers 30 questions correctly, how many questions
7 answers
2,411 views
The price of a calculator is $12.50. The sales tax is 7.5%. How much will you pay for the calculator?
4 answers
1,375 views
Why did settlers in North Carolina begin to move inland over time?
7 answers
876 views
The graph below models the value of a $20,000 car t years after it was purchased.
Which statement best describes why the value of
4 answers
2,686 views
Which of these tables represents a linear function?
A: 3,3 4,4 5,6 6,7 B: 3,6*** 4,5 5,4 6,3 C: 3,7 4,6 5,5 6,5 D: 3,2 4,4 5,5
3 answers
2,031 views
The end of the trans-Atlantic slave trade resulted in
A. a decrease in money going to African kingdoms.*** B. payment from the
4 answers
1,181 views
Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 3.9). The empty capacitor
2 answers
563 views
Why do I have to take History in 6th Grade
3 answers
393 views
Which statements best describe the effects of the War of Regulation? Check all that apply.
Regulators succeeded in forcing the
4 answers
1,402 views
Muriel would like to borrow $55,000 to pay one year’s tuition at a private U.S. university. She would like to make quarterly
1 answer
414 views
Read the passage below and answer the question that follows: “I like pond skating best by moonlight. The hollow among the
2 answers
962 views
What is 130% as a mixed number in simplest form.
1 answer
243 views
You have a string 2yards long you cut it in pieces that are 1/3 long how many do you have
1 answer
219 views
If triangle ABC A(-1, 4), B(2, 1), C(0, -3) is translated 2 units up, what are the new coordinates for triangle A'B'C'?
3 answers
533 views
Which is the fastest rate of time?
a. 3 pages in 4 minutes b. 5 pages in 8 minutes c. 2 pages in 5 minutes d. 4 pages in 8
1 answer
189 views
If T=2π√L/8 Then given that L=100.0±0.1cm(limit standard errors) and T=2.01±0.01s(limit standard error) Calculate the value
4 answers
552 views
Salmon hatch in freshwater streams and then migrate 70 miles downstream to the ocean in 8 hours. After reaching spawning age,
3 answers
356 views
On a particular day 35% of visitors to the zoo were children and the rest were adults. There were 140 children. How many
1 answer
210 views
my numerator is divisible by 3 my demominator is divisble by 5 my denominator is 3 more than twice my numerator
1 answer
248 views
What are the steps to solve a logarithmic equation?
1 answer
76 views
What is 7-h divided by 4/9;h=1/7
1 answer
159 views
50.625 in significant figure
3 answers
231 views
you want to sell 1lb jars of mixed peanuts and cashews for $5. you pay $3 per pound for peanuts and $6 for cashews. You plan to
1 answer
234 views
Is .555444333... a rational or irrational number - I said rational because it has a repeating pattern.
1 answer
203 views
differentiate 5x
1 answer
117 views
I need some help on this lesson.
Coordinate plane problems portfolio. Any answers would help me. I struggle with math and if you
6 answers
144 views
What helps the plasma membrane function pumps of gelatin like material nuclei and endoplasmic reticular channels and chain like
1 answer
23 views
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